PPS high temperature resistant needle filter is produced with the production process of polyphenylene sulfide fiber felt by the pressure of light, heat and water repellent treatment. Advantages: 1, Good hydrolysis resistance, has excellent acid and alkali corrosion, sulfur or sulfur oxides in flue gas fuel can be used; 2. In the flue gas oxygen content of less than 14% of the collection can be used in dust, but the temperature should be lowered accordingly; 3.Long time working temperature of 190℃, short-time temperature is 220 ℃, the melting point of 285 ℃; 4.Suitable for dedusting of flue gas humidity, high concentration, strong adhesion and chemical composition of PPS filter ,remaining strength and chemical resistance, can maintain a good filter performance in harsh environments, is the first choice of filter material of coal-fired boilers, waste incineration power plant and city dust processing, can also be used in alumina plant powder for dust purification.
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Detail
eg:550g/㎡PPS needle felts technical data
Material
PPS fiber/PPS scrim
Weight(g/m2)
550
Air permeability(m³/㎡/min)
15
Thickness(mm)
1.9
Tensile Strength(N/5cm)
warp
>900
Tensile Strength(N/5cm)
weft
>1200
Elongation at break(%)
warp
≤25%
Elongation at break(%)
weft
≤45%
Dry shrinkage at 210℃ within 90 min.
warp
<1.0%
Dry shrinkage at 210℃ within 90 min.
weft
<1.0%
Working Temperature
160℃
Peak Temperature
190℃
Finishing Treatment
Heat setting/singed/Glazed/oil and water repellent at 5 grade
Note
The parameters above come from ideal lab-condition, the performance will change a little bit in-linewith actual application.